*{
  margin: 0;
  padding: 0;
}
a{
  text-decoration: none;
}
li{
  list-style: none;
}
.bigbox{
  height: 774px;
  width: 100%;
  border: 1px solid goldenrod;
}
.banner{
  width: 1349px;
  height: 542px;
  margin: 0 auto;
  background-image: url("../img/logoin/banner.jpg");
  background-repeat: no-repeat;
  background-size:cover;
  position: relative;
}
.bottom{
  width: 1349px;
  height: 232px;
  background: url("../img/logoin/12.jpg");
  margin: 0 auto;
}
.nav{
  width:800px;
  height: 35px;
  border: 1px solid green;
  position: absolute;
  top: 42px;
  left: 446px;
}
.nav a{
  display: inline-block;
  border: 1px solid #fff;
  line-height: 32px;
  padding: 0px 22px;
  margin-left: 2px;
  color: #fff;
  font-size: 14px;
  text-decoration: none;
}
.nav a:hover{
  background-color: white;
  color: black;
}
.login{
  width: 625px;
  height: 400px;
  background-color: white;
  border: 1px solid greenyellow;
  position: absolute;
  top: 105px;
  left: 555px;
}
.login .title{
  width: 100%;
  height: 20px;
  text-align: center;
  line-height: 20px;
  font-size: 20px;
  color: #333;
  margin-top: 54px;
  margin-bottom: 25px;
}
.login .tips{
  width: 100%;
  height: 20px;
  text-align: center;
  line-height: 20px;
  font-size: 16px;
  color: #333;
  margin-bottom: 10px;
}
.tips>a{
  color:  #3481cf;;
}
.login .txt{
  height: 38px;
  width: 100%;
  text-align: center;
  margin-bottom: 20px;
}
.login .txt1{
  height: 38px;
  width: 100%;
  text-align: center;
}
.login .txt>input{
  width: 258px;
  height: 18px;
  padding: 10px 0 10px 10px;
  line-height: 18px;
  font-family: Verdana,Tahoma,Arial;
  font-size: 14px;
  border: 1px solid #3481cf;
  border-radius: 5px;
  color: #aaa;
  cursor: text;
}
.login .txt1>input{
  width: 258px;
  height: 18px;
  padding: 10px 0 10px 10px;
  line-height: 18px;
  font-family: Verdana,Tahoma,Arial;
  font-size: 14px;
  border: 1px solid #3481cf;
  border-radius: 5px;
  color: #aaa;
  cursor: text;
}
.btn{
  width: 100%;
  height: 40px;
  text-align: center;
  color: #fff;
  line-height: 35px;
  font-size: 17px;
  margin-top: 16px;
}
.btn>input{
  width: 272px;
  height: 40px;
  background-color: #86ce2f;
  color: white;
  font-size: 17px;
  line-height: 40px;
  border: none;
  letter-spacing: 5px;
}

.ts{
  width: 100%;
  height: 20px;
  line-height: 20px;
  text-align: center;
  color: #ff3b30;
  font-size: 12px;
}